package com.atguigu.gulimall.product.service.impl;

import com.atguigu.common.constant.ProductConstant;
import com.atguigu.common.to.SkuHasStockVo;
import com.atguigu.common.to.SkuReductionTo;
import com.atguigu.common.to.SpuBoundTo;
import com.atguigu.common.to.es.SkuEsModel;
import com.atguigu.common.utils.R;
import com.atguigu.gulimall.product.entity.*;
import com.atguigu.gulimall.product.feign.CouponFeignService;
import com.atguigu.gulimall.product.feign.SearchFeignService;
import com.atguigu.gulimall.product.feign.WareFeignService;
import com.atguigu.gulimall.product.service.*;
import com.atguigu.gulimall.product.vo.*;
import com.sun.xml.internal.bind.v2.util.CollisionCheckStack;
import lombok.Data;
import org.apache.commons.lang3.StringUtils;
import org.omg.CORBA.LongHolder;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;

import com.atguigu.gulimall.product.dao.SpuInfoDao;
import org.springframework.transaction.annotation.Transactional;


@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {

   @Autowired
   SpuInfoDescService spuInfoDescService;

   @Autowired
   SpuImagesService imagesService;

   @Autowired
   AttrService attrService;

   @Autowired
   ProductAttrValueService attrValueService;

   @Autowired
   SkuInfoService skuInfoService;

   @Autowired
   SkuImagesService  skuImagesService;

   @Autowired
   SkuSaleAttrValueService skuSaleAttrValueService;


   @Autowired
   CouponFeignService couponFeignService;


   @Autowired
   BrandService brandService;

   @Autowired
   CategoryService categoryService;


   @Autowired
   WareFeignService  wareFeignService;


   @Autowired
   SearchFeignService searchFeignService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                new QueryWrapper<SpuInfoEntity>()
        );

        return new PageUtils(page);
    }

    @Transactional
    @Override
    public void saveSpuInfo(SpuSaveVo vo) {

        //1.保存spu基本信息   pms_spu_info
        SpuInfoEntity InfoEntity = new SpuInfoEntity();

        BeanUtils.copyProperties(vo,InfoEntity);
        InfoEntity.setCreateTime(new Date());
        InfoEntity.setUpdateTime(new Date());
        this.saveBaseSpuInfo(InfoEntity);

        //2.保存spu的描述图片 pms_spu_info_desc
        List<String> decript = vo.getDecript();
        SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
        descEntity.setSpuId(InfoEntity.getId());
        descEntity.setDecript(String.join(",",decript));
        spuInfoDescService.saveSpuInfoDesc(descEntity);


        //3.保存spu的图片集   pms_spu_image
        List<String> images = vo.getImages();
        imagesService.saveImages(InfoEntity.getId(),images);


        //4.保存spu的规格参数 pms_product_attr_value
        List<BaseAttrs> baseAttrs = vo.getBaseAttrs();
        List<ProductAttrValueEntity> collect = baseAttrs.stream().map(attr -> {
            ProductAttrValueEntity valueEntity = new ProductAttrValueEntity();
            valueEntity.setAttrId(attr.getAttrId());

            AttrEntity attrEntity = attrService.getById(attr.getAttrId());
            valueEntity.setAttrName(attrEntity.getAttrName());
            valueEntity.setAttrValue(attr.getAttrValues());
            valueEntity.setQuickShow(attr.getShowDesc());
            valueEntity.setSpuId(InfoEntity.getId());

            return valueEntity;
        }).collect(Collectors.toList());
        attrValueService.saveProductAttr(collect);

        //保存spu的积分信息   gulimall_sms ->sms_spu_bounds

        Bounds bounds = vo.getBounds();
        SpuBoundTo spuBoundTo = new SpuBoundTo();
        BeanUtils.copyProperties(bounds,spuBoundTo);
        spuBoundTo.setSpuId(InfoEntity.getId());
        R r = couponFeignService.saveSpuBounds(spuBoundTo);

        if(r.getCode() != 0)
        {
            log.error("远程保存spu积分信息失败");
        }


        //5.保存当前spu对应的sku信息
        //5.1  sku的基本信息    pms_sku_info
        List<Skus> skus = vo.getSkus();
        if(skus != null && skus.size() > 0)
        {
            skus.forEach(item->{
                String defaultImg = "";
                for (Images image : item.getImages()) {
                    if(image.getDefaultImg() == 1)
                    {
                        defaultImg = image.getImgUrl();
                    }
                }
                /*  private String skuName;
                    private BigDecimal price;
                    private String skuTitle;
                    private String skuSubtitle;
                 */
                SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
                BeanUtils.copyProperties(item,skuInfoEntity);
                skuInfoEntity.setBrandId(InfoEntity.getBrandId());
                skuInfoEntity.setCatalogId(InfoEntity.getCatalogId());
                skuInfoEntity.setSaleCount(0L);
                skuInfoEntity.setSpuId(InfoEntity.getId());
                skuInfoEntity.setSkuDefaultImg(defaultImg);

                skuInfoService.saveSkuInfo(skuInfoEntity);

                Long skuId = skuInfoEntity.getSkuId();

                List<SkuImagesEntity> imagesEntities = item.getImages().stream().map(img -> {
                    SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
                    skuImagesEntity.setSkuId(skuId);
                    skuImagesEntity.setImgUrl(img.getImgUrl());
                    skuImagesEntity.setDefaultImg(img.getDefaultImg());
                    return skuImagesEntity;

                }).filter(entity->{
                    //返回true就是需要
                    return !StringUtils.isEmpty(entity.getImgUrl());
                }).collect(Collectors.toList());
                //5.2  sku的图片信息    pms_sku_image
                skuImagesService.saveBatch(imagesEntities);
                //todo:没有图片：路径的无需保存

                //5.3  sku的销售属性信息 pms_sku_sale_attr_value
                List<Attr> attr = item.getAttr();
                List<SkuSaleAttrValueEntity> skuSaleAttrValueEntities = attr.stream().map(a -> {
                    SkuSaleAttrValueEntity attrValueEntity = new SkuSaleAttrValueEntity();
                    BeanUtils.copyProperties(a, attrValueEntity);
                    attrValueEntity.setSkuId(skuId);

                    return attrValueEntity;

                }).collect(Collectors.toList());

                skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntities);

                //5.4  sku的优惠,满减等信息 gulimall_sms

                SkuReductionTo skuReductionTo = new SkuReductionTo();
                BeanUtils.copyProperties(item,skuReductionTo);
                skuReductionTo.setSkuId(skuId);

                if(skuReductionTo.getFullCount() >0 || skuReductionTo.getFullPrice().compareTo(new BigDecimal("0")) == 1)
                {
                    R r1 = couponFeignService.saveInfo(skuReductionTo);

                    if(r1.getCode() != 0)
                    {
                        log.error("远程保存sku优惠信息失败");
                    }
                }

            });
        }




    }

    @Override
    public void saveBaseSpuInfo(SpuInfoEntity InfoEntity) {

        this.baseMapper.insert(InfoEntity);

    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
        QueryWrapper<SpuInfoEntity> wrapper = new QueryWrapper<>();
        String key = (String) params.get("key");
        if(StringUtils.isNotEmpty(key))
        {
            wrapper.and(w->{
                    w.eq("id",key).or().like("spu_name",key);
            });
        }

        // status=1 and (id=1 or spu_name like xxx)
        String status = (String) params.get("status");
        if(StringUtils.isNotEmpty(status)){
            wrapper.eq("publish_status",status);
        }

        String brandId = (String) params.get("brandId");
        if(StringUtils.isNotEmpty(brandId)&&!"0".equalsIgnoreCase(brandId)){
            wrapper.eq("brand_id",brandId);
        }

        String catelogId = (String) params.get("catelogId");
        if(StringUtils.isNotEmpty(catelogId)&&!"0".equalsIgnoreCase(catelogId)){
            wrapper.eq("catalog_id",catelogId);
        }

        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                wrapper
        );

        return new PageUtils(page);
    }

    @Override
    public void up(Long spuId) {


        //1.查出当前spuid对应的所有sku的信息，品牌的名字
        List<SkuInfoEntity> skus =  skuInfoService.getSkusBySpuId(spuId);
        List<Long> skuIdList = skus.stream().map(SkuInfoEntity::getSkuId).collect(Collectors.toList());

        //TODO 4.查询当前sku可以用来检索规格属性
        List<ProductAttrValueEntity> baseAttrs = attrValueService.baseAttrlistForspu(spuId);

        List<Long> attrIds = baseAttrs.stream().map(attr -> {
            return attr.getAttrId();
        }).collect(Collectors.toList());

        List<Long> searchAttrIds = attrService.selectSearchAttrs(attrIds);
        Set<Long> idSet = new HashSet<>(searchAttrIds);

        List<SkuEsModel.Attrs> attrsList = baseAttrs.stream().filter(item -> {
            return idSet.contains(item.getAttrId());
        }).map(item -> {
            SkuEsModel.Attrs attrs1 = new SkuEsModel.Attrs();
            BeanUtils.copyProperties(item, attrs1);
            return attrs1;

        }).collect(Collectors.toList());

        //TODO:1.发送远程调用，库存系统是否有库存
        Map<Long, Boolean> stockMap = null;
        try {
            R<List<SkuHasStockVo>> skusHasStock = wareFeignService.getSkusHasStock(skuIdList);
            stockMap = skusHasStock.getData().stream().collect(Collectors.toMap(SkuHasStockVo::getSkuId, item -> item.getHasStock()));

        }catch (Exception e){
            log.error("库存服务查询异常:原因{}",e);

        }

        //2.封装信息
        Map<Long, Boolean> finalStockMap = stockMap;
        List<SkuEsModel> uoProducts = skus.stream().map(sku -> {
            SkuEsModel esModel = new SkuEsModel();

            //skuPrice,skuImg,hasStock,hotScore

            BeanUtils.copyProperties(sku,esModel);
            esModel.setSkuPrice(sku.getPrice());
            esModel.setSkuImg(sku.getSkuDefaultImg());


            //hasStock,hotScore
            //设置库存信息
            if(finalStockMap == null)
            {
                esModel.setHasStock(true);
            }else{
                esModel.setHasStock(finalStockMap.get(sku));
            }


            //TODO:2.热度评分.0
            esModel.setHotScore(0l);

            //TODO:3.查询品牌和分类名字信息
            BrandEntity brand = brandService.getById(esModel.getBrandId());
            esModel.setBrandName(brand.getName());
            esModel.setBrandImg(brand.getLogo());

            CategoryEntity category = categoryService.getById(esModel.getCatalogId());
            esModel.setCatalogName(category.getName());

            //设置检索属性
            esModel.setAttrs(attrsList);


            return esModel;
        }).collect(Collectors.toList());


        //TODO 5.将数据发送给es进行保存：gulimall-search

        R r = searchFeignService.productStatusUp(uoProducts);

        if(r.getCode() == 0)
        {
            //远程调用成功
            //TODO 6.修改当前Spu的状态
            baseMapper.updateSpuStatus(spuId,ProductConstant.StatusEnum.SPU_UP.getCode());

        }else{

            //远程调用失败
            //TODO:7重复调用??接口幂等:重试机制
        }


    }
}